NoteAbilityPro (version 2.646)
for Mac OS-X is now available. This version of NoteAbilityPro runs on Apple Macintosh computers with OS-X versions 10.6.8 through to
10.12.1 (Sierra.).

NoteAbilityPro is now distributed as a free application. Customers who
previously purchased NAPro will still be given technical support on an on-going basis.

NoteAbilityPro has been expanded to support up to 80 staves per system.

NoteAbilityPro now supports custom noteheads. Up to 48 graphic images
can be added to the score and used as custom noteheads.

NoteAbilityPro can now support up to 6 Audio Unit players such as software samplers or synthesizers modules.

NoteAbilityPro scores can now be saved directly as audio files.

NoteAbilityPro can now import NoteWriter and MusicXML files.

An auto-save feature has been added to NoteAbilityPro-2 so that
your scores are saved periodically while you are working.

NoteAbilityPro-2 supports 6 DLS (Downloadable Sounds)
Players and Audio Units so that you can get more realistic performances of your scores and
have access to audio effects (such as reverberation and digital delay). As well, you can now
drag-and-drop audio files or samples directly into the score.

Opus 1 Music is a premier music
software solutions company providing music notation programs for Macintosh computers.
The company was founded in 1996 by Dr. Keith Hamel, who is a professor of music composition
at the University of British Columbia in Vancouver, Canada and a specialist in Computer Applications to Music.
Dr. Hamel is also the primary researcher and software developer at Opus 1 Music.